You should definitely wear white underwear under these pants. They're beautiful and I'm glad they have a bit of a stretch, and the belt is a style bonus, although we don't need it for functionality. I bought a size 8 for my 7 year old who is 75 pounds and a size 10 for my 10 year old who is 100 pounds. A 7-year-old is very similar to a 10-year-old in terms of waist size, but much smaller. The size 8 pants fit around his waist but were very long so we had to pull them up about 5 inches! A 10 year old is just growing up so the waist was quite tight but wearable. The length was perfect for him.
Kid Nation Solid French Jogger Boys' Clothing
58 Review
πΆ Organic Training Pants for Boys - Lamaze Toddler Clothing
49 Review
π©³ Comfortable & Stylish: UNACOO Fleece Sweatpants for Boys β Perfect Casual & Active Clothing!
49 Review
π Stay Stylish and Comfy with Columbia Little Toddler Cypress Brook Boys' Clothing Pants
53 Review
Funny Guy Mugs Tearaway Sweatpants: Playful Boys' Clothing for Fun and Active Days
49 Review
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review